at one point. stronger than the superstormsandy. sowaves developing offshore. as a result that high surf advisory not in effect just yet. this begins tomorrow at 10:00 lasting until tomorrow at 6:00 p.m. tomorrow as we head into sunday 15 to 20 feet. this could be very dangerous it's called a long period swell because you will have a set swell move in and then the seas calm down for a few minutes, people want to go to the ocean and play in the water then you get a bigger wave that comes in. so very deceasing as we get into the weekend. the energy gets focused closer to pillar point. waves could be topping 30 feet as we head into sunday morning. ideal conditions great weather conditions for the surf contest and for the entire bay area. coming up we'll take a closer look at your weekend outlook coming up in a few minutes. >>> stay with ktvu for continuing coverage. news chopper 2 will be flying over mavericks sunday morning. our coverage begins with mornings on two. and you can watch all of it online on ktvu.com or use our mobile app. >>> caltrans announced they will begin the fender